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Anybody owned, or used the Canon 400mm f/4 DO IS II on....

Started 4 weeks ago | Discussions thread
BirdShooter7 Veteran Member • Posts: 9,127
Re: Anybody owned, or used the Canon 400mm f/4 DO IS II on....

Yes I’ve used this lens a good bit on the R5 and R7 and overall I like it.  It’s great bear and with the 1.4x iii but I am not so happy with performance with the EF 2x iii unless the lens is stopped down a stop at which point you basically have a really expensive and heavier RF 800mm f/11…

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Some of my bird photos can be viewed here: https://www.flickr.com/photos/gregsbirds/

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